⚠️ Heat Advisory – Greene; Macoupin; Montgomery; Bond; Fayette; Marion; Pike; Calhoun; Jersey; Shelby; Marion; Monroe; Ralls; Pike; Audrain; Lincoln – Friday, August 14, 2026

Event	Heat Advisory
Severity	Moderate
Urgency	Expected
Certainty	Likely
Area	Greene; Macoupin; Montgomery; Bond; Fayette; Marion; Pike; Calhoun; Jersey; Shelby; Marion; Monroe; Ralls; Pike; Audrain; Lincoln
Effective	8/14/2026, 4:03:00 AM CDT
Expires	8/14/2026, 7:15:00 PM CDT

Heat Advisory issued August 14 at 4:03AM CDT until August 15 at 9:00PM CDT by NWS St Louis MO

* WHAT…Heat index values up to 109.

* WHERE…Portions of south central, southwest, and west central
Illinois and central, east central, and northeast Missouri.

* WHEN…Until 9 PM CDT Saturday.

* IMPACTS…Hot temperatures and high humidity may cause heat
illnesses.

Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.

This alert was automatically posted by SkyGuard, MWSC’s severe weather alerting system. Source: National Weather Service.